/**
 * caicongyang.com Inc.
 * Copyright (c) 2004-2017 All Rights Reserved.
 */
package com.caicongyang.design.facade;

/**
 * @author caicongyang1
 * @version id: SubSystem, v 0.1 17/5/14 下午8:28 caicongyang1 Exp $$
 */
public class SubSystemD {
    public void methodD() {
        System.out.println("operate mehtod D");
    }

}
